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Prev Professional Automotive Repair Technical Discussions for November 14, 2014
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Open Help Requests for Ford
Help Request Answers
1994 Ford F-350 XL 7.3L Runs rough, smokes VIN: 2FTJW36K2R
This is an IDI turbodiesel, not a PowerStroke. Customer has owned truck for 20 years. In the past year it has started running rough on startup and sometimes missing at idle slightly once warmed up. Always starts fine, sometimes dies, sometimes idles fine but r...
2006 Ford F-250 Super Duty XLT 6.0L engine
Truck runs and drives, once in a while stalls, doesn't restarts right away, after let it sit for 5s it restarts and drives fine during no start HPOP doesn't create pressure I suspected ipr valve, replaced ipr valve, runned second set of wires to otc ipr cont...
2009 Ford Focus SE 2.0L Evap. VIN: 1FAHP32N89
Hello Techs, This vehicle (ULEV), is throwing P0456 & P0457 codes. We have visually inspected all, smoke tested system numerous times in different temps., with NO leakage at all detected. Fuel cap sealing surface on neck looks good. Manually cycled can. purge ...

Fixes & Summaries for Ford
Fix/Summary Answers
1999 Ford F-350 Super Duty XL 5.4L No Start, Stall VIN: 1FDWF36L6X
The problem was bad wiring between the crankshaft position sensor and PCM. I scoped the CKP output at the sensor, then disconnected the PCM and checked the signal there - BIG difference! Evidently, the reason there was no RPM signal until you gave it ether w...
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